Question: The following data were collected to determine the relationship between pressure and the corresponding scale reading for the purpose of calibration. (a) Find the equation

The following data were collected to determine the relationship between pressure and the corresponding scale reading for the purpose of calibration.

(a) Find the equation of the regression line.

(b) The purpose of calibration in this application is to estimate pressure from an observed scale reading- Estimate the pressure for a scale reading of 54 using x = (54 ? a)/b.

Pressure, x (Ib/sq in.) 10 10 Scale Reading, y 13 18 16

Pressure, x (Ib/sq in.) 10 10 Scale Reading, y 13 18 16 to 10 10 50 50 50 15 20 86 90 88 88 92 50 50

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